Trait lerp::LerpIter [−] [src]

pub trait LerpIter {
    fn lerp_iter(self, other: Self, steps: usize) -> LerpIterator<Self> where Self: Sized;

    fn lerp_iter_closed(self, other: Self, steps: usize) -> Skip<Chain<LerpIterator<Self>, Once<Self>>> where Self: Copy, LerpIterator<Self>: Iterator<Item=Self> { ... }
}

Types which can construct a lerping iterator from one point to another over a set number of steps.

This is automatically implemented for all T: Lerp<f64> + Sized.

Required Methods

fn lerp_iter(self, other: Self, steps: usize) -> LerpIterator<Self> where Self: Sized

Create an iterator which lerps from self to other.

The iterator is half-open: it includes self, but not other

Example

use lerp::LerpIter;

// lerp between 3 and 5, collecting two items
let items: Vec<_> = 3.0_f64.lerp_iter(5.0, 4).collect();
assert_eq!(vec![3.0, 3.5, 4.0, 4.5], items);

Provided Methods

fn lerp_iter_closed(self, other: Self, steps: usize) -> Skip<Chain<LerpIterator<Self>, Once<Self>>> where Self: Copy, LerpIterator<Self>: Iterator<Item=Self>

Create an iterator which lerps from self to other.

The iterator is closed: it returns both self and other.

Note when steps == 1, other is returned instead of self.

Example

use lerp::LerpIter;

assert_eq!(vec![3.0, 5.0], 3.0_f64.lerp_iter_closed(5.0, 2).collect::<Vec<f64>>());

Implementors